2 * Copyright (c) 2002, 2003 Sam Leffler, Errno Consulting
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * Little program to dump the crypto statistics block and, optionally,
31 * zero all the stats or just the timing stuff.
35 #include <sys/types.h>
36 #include <sys/sysctl.h>
38 #include <crypto/cryptodev.h>
41 printt(const char* tag, struct cryptotstat *ts)
43 uint64_t avg, min, max;
47 avg = (1000000000LL*ts->acc.tv_sec + ts->acc.tv_nsec) / ts->count;
48 min = 1000000000LL*ts->min.tv_sec + ts->min.tv_nsec;
49 max = 1000000000LL*ts->max.tv_sec + ts->max.tv_nsec;
50 printf("%16.16s: avg %6llu ns : min %6llu ns : max %7llu ns [%u samps]\n",
51 tag, avg, min, max, ts->count);
55 main(int argc, char *argv[])
57 struct cryptostats stats;
60 slen = sizeof (stats);
61 if (sysctlbyname("kern.crypto_stats", &stats, &slen, NULL, NULL) < 0)
62 err(1, "kern.cryptostats");
64 if (argc > 1 && strcmp(argv[1], "-z") == 0) {
65 bzero(&stats.cs_invoke, sizeof (stats.cs_invoke));
66 bzero(&stats.cs_done, sizeof (stats.cs_done));
67 bzero(&stats.cs_cb, sizeof (stats.cs_cb));
68 bzero(&stats.cs_finis, sizeof (stats.cs_finis));
69 stats.cs_invoke.min.tv_sec = 10000;
70 stats.cs_done.min.tv_sec = 10000;
71 stats.cs_cb.min.tv_sec = 10000;
72 stats.cs_finis.min.tv_sec = 10000;
73 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
74 err(1, "kern.cryptostats");
77 if (argc > 1 && strcmp(argv[1], "-Z") == 0) {
78 bzero(&stats, sizeof (stats));
79 stats.cs_invoke.min.tv_sec = 10000;
80 stats.cs_done.min.tv_sec = 10000;
81 stats.cs_cb.min.tv_sec = 10000;
82 stats.cs_finis.min.tv_sec = 10000;
83 if (sysctlbyname("kern.crypto_stats", NULL, NULL, &stats, sizeof (stats)) < 0)
84 err(1, "kern.cryptostats");
89 printf("%u symmetric crypto ops (%u errors, %u times driver blocked)\n"
90 , stats.cs_ops, stats.cs_errs, stats.cs_blocks);
91 printf("%u key ops (%u errors, %u times driver blocked)\n"
92 , stats.cs_kops, stats.cs_kerrs, stats.cs_kblocks);
93 printf("%u crypto dispatch thread activations\n", stats.cs_intrs);
94 printf("%u crypto return thread activations\n", stats.cs_rets);
95 if (stats.cs_invoke.count) {
97 printt("dispatch->invoke", &stats.cs_invoke);
98 printt("invoke->done", &stats.cs_done);
99 printt("done->cb", &stats.cs_cb);
100 printt("cb->finis", &stats.cs_finis);